Stratigraphy, sedimentology, and depositional environments of the Hell Creek Formation (Late Cretaceous) and adjacent strata, Glendive area, Montana pdf
Reevaluation of species concepts of uppermost cretaceous unionidae (mollusca: bivalvia) : Hell Creek formation, Montana, U.S.A. pdf
Playing Hell in Charleston – Daniel Payne, Clementa Pinckney and the fight against White Supremacy pdf